Home / 39,187.90-54,085.41-22,193.02

Finding the Fourth Proportional to 39,187.90, 54,085.41 and 22,193.02

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Solution

The fourth proportional to 39,187.90, 54,085.41 and 22,193.02 is: 30,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,187.90 : 54,085.41 = 22,193.02 : x
  2. Step 2: Convert to fraction form
    39,187.90/54,085.41 = 22,193.02/x
  3. Step 3: Cross multiply
    39,187.90x = 54,085.41 × 22,193.02
  4. Step 4: Simplify right side
    39,187.90x = 1,200,318,585.84
  5. Step 5: Solve for x
    x = 1,200,318,585.84/39,187.90
  6. Step 6: Final answer
    x = 30,629.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.